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MHT CET202211 Aug 2022Morning ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which from following activities results in to the formation of oleum in manufacture of sulphuric acid contact process?

Options

  1. ABy adding sodium sulphite and SO ₂ in water
  2. BBy passing SO ₂ gas in to the dil. H ₂ SO ₄
  3. CPassing SO ₂ gas through NaOH solution
  4. DBy absorbing SO ₃ gas in conc. H ₂ SO ₄

Correct answer

D. By absorbing SO ₃ gas in conc. H ₂ SO ₄

Step-by-step solution

Constant volume process is isochoric process

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